US2590584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sea-water battery
Assignee: AT&T Inc
•
Filing: 1945-03-29
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Granted: 1952-03-25
•
Expires: 1965-03-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
IN A STRUCTURE ADAPTED TO FUNCTION AS AN ELECTRIC BATTERY WHEN IMMERSED IN AN ELECTROLYTE A METAL DISC FORMING AN ELECTRODE OF ONE CELL AND A SECOND DISC OF AN ELECTROCHEMICALLY DISSIMILAR METAL FORMING THE OPPOSITE ELECTRODE OF A SECOND CELL SAID DISCS BEING MOUNTED BY MEANS OF CENTRAL HOLES UPON A ROD AND BEING DISPOSED ADJACENT TO ONE ANOTHER AND IN MECHANICAL AND ELECTRICAL CONTACT, AT LEAST ONE OF SAID DISCS POSSESSING A DISHED SHAPE SUCH THAT SAID MECHANICAL CONTACT IS CONFINED TO SUBSTANTIALLY A LINE ALONG THE PERIPHERY OF SAID DISHED DISC AND AN AREA SURROUNDING THE CENTRAL HOLE OF SAID DISC SUBSTANTIALLY LESS THAN THE TOTAL AREA OF SAID DISC, SUBSTANTIAL PRESSURE BEING EXERTED BY SAID PERIPHERY AGAINST THE OTHER DISC SO AS SUBSTANTIALLY TO EXCLUDE THE ELECTROLYTE FROM BETWEEN SAID DISCS DURING THE LIFE OF THE BATTERY.
References Cited (Backward Citations)
US403451A
Cited
US1332483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |